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Read whole ASCII file into C++ std::string [duplicate]
...include <fstream>
#include <streambuf>
std::ifstream t("file.txt");
std::string str((std::istreambuf_iterator<char>(t)),
std::istreambuf_iterator<char>());
Not sure where you're getting the t.open("file.txt", "r") syntax from. As far as I know that's not a...
C# Pass Lambda Expression as Method Parameter
I have a lambda expression that I'd like to be able to pass around and reuse. Here's the code:
4 Answers
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Best way to hide a window from the Alt-Tab program switcher?
...vely, through setting
ShowInTaskbar="False" and Visibility="Hidden" in the XAML. (I haven't tested this yet, but nevertheless decided to bump the comment visibility)
Original answer:
There are two ways of hiding a window from the task switcher in Win32 API:
to add the WS_EX_TOOLWINDOW extended wind...
SQLite - UPSERT *not* INSERT or REPLACE
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GOOD: Use SQLite On conflict clause
UPSERT support in SQLite! UPSERT syntax was added to SQLite with version 3.24.0!
UPSERT is a special syntax addition to INSERT that causes the INSERT to behave as an UPDATE or a no-op if the INSERT would violate a uniqueness constraint. UPSERT is not standard SQ...
Why can't I use switch statement on a String?
...mplemented in javac with a "de-sugaring" process; a clean, high-level syntax using String constants in case declarations is expanded at compile-time into more complex code following a pattern. The resulting code uses JVM instructions that have always existed.
A switch with String cases is translate...
capturing self strongly in this block is likely to lead to a retain cycle
How can I avoid this warning in xcode. Here is the code snippet:
7 Answers
7
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How to parse XML to R data frame
I tried to parse XML to R data frame, this link helped me a lot:
4 Answers
4
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Bash script to receive and repass quoted parameters
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Note the "$@" construct is not bash specific and should work with any POSIX shell (it does with dash at least). Note also that given the output you want, you don't need the extra level of quoting at all. I.E. just call the above script like:
./test.sh 1 2 "3 4"
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Return 0 if field is null in MySQL
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Use IFNULL:
IFNULL(expr1, 0)
From the documentation:
If expr1 is not NULL, IFNULL() returns expr1; otherwise it returns expr2. IFNULL() returns a numeric or string value, depending on the context in which it is used.
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ASP.NET MVC partial views: input name prefixes
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You can extend Html helper class by this :
using System.Web.Mvc.Html
public static MvcHtmlString PartialFor<TModel, TProperty>(this HtmlHelper<TModel> helper, System.Linq.Expressions.Expression<Func<TModel, TProp...